Measurement and Analysis of Mössbauer Data for Compounds Containing 125Te

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Abstract
Mössbauer isomer shifts and quadrupole splittings are reported for a number of tellurium compounds. The isomer‐shift data are analyzed by setting up localized orbitals and converting to their equivalent delocalized orbitals in order to calculate the electron density at the 125Te nucleus. Similarities between data for tellurium and tin compounds are noted. The theoretical calculations confirm the expectation that hydrogenic orbitals are more appropriate for calculations of electron density at a nucleus than the Slater‐type orbitals generally used in molecular‐orbital calculations.